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Core Java
What Is Core Java and Why Should You Learn It?
If you are looking to learn Java, you must know about the core programming language – Java. The core language of Java is very versatile. It incorporates all the possible Java Libraries for development of standalone, networked, and GUI applications. Learn Core Java today and get started on your own Java journey! Here are some benefits of learning Core Java! This language is used by millions of software developers worldwide. You can learn Core Java for free, and you’ll be ready to start developing your own Java applications in no time.
Java is a high-level programming language created by Sun Microsystems. It is used to develop virtually every application on the web, including games. Java is an object-oriented, class-based language that uses an abstract data type (type), a class-based structure, and a dynamic object-oriented design pattern. Core Java is a simplified version of Java that focuses on design and development of application software. It is also designed to run on different platforms.
Advanced Java focuses on developing enterprise-level applications using Java. It’s a step beyond core Java and includes topics like Web services, servlets, and database connectivity. Advanced Java uses a two-tier architecture. As such, it enables developers to develop web applications that run on multiple platforms. It also allows developers to use HTML, CSS, and javascript. Once you’ve mastered Core Java, you’ll be ready to move on to advanced topics.
If you’re new to Java, you might have wondered what it is and what is Core Java. Core Java is a subset of Java SE technologies. Core Java is a set of libraries and other technology that developers use to develop general desktop apps. It includes special-purpose APIs and general-purpose APIs. While you can learn the more advanced features of Java, Core Java is the foundation for all other Java versions. And the benefits of Core Java are endless.
While it may seem difficult for fresh grads to learn Core Java, the basics are enough to get you into an IT organization. The challenge of learning Core Java is that it’s difficult – it’s not as simple as it looks. Several beginners struggled with the concepts and terminology when they first started learning Java. Despite this, the language is very strong and runs fast on any platform. To start learning Core Java, you need to download and install a JVM.
What makes Java so powerful? Core Java allows you to create applications that run on multiple platforms. And the best part is that it’s free and open source. This makes Java an even better choice for developers as it’s free, and the support community is huge. It’s not just for software anymore – it’s for the web, too. The next time you’re using the internet, use Java. You’ll be glad you did!
Advanced Java is more advanced than Core Java. Advanced Java covers more complex programming concepts, while Core Java covers fundamentals. Advanced Java is designed to provide more advanced information and skills. If you’re a beginner, Advanced Java is not a good choice. You’ll have to learn both Java languages, however, if you plan to work in the field. If you have no experience in any of the two, Core Java is the right choice for you.
Course Curriculum of Java (Core Java)
INTRODUCTION TO JAVA
• Why Java was Developed Application Areas of Java History of Java
• Platform Independency in Java USP of Java: Java Features Sun-Oracle Deal
• Different Java Platforms Difference between JDK, JRE, JVM Java Versions
• JVM Architecture
• Installing Java on Windows
• Understanding Path Variable: Why Set Path
CREATING FIRST JAVA PROGRAM
• Understanding Text Editors to Write Programs How to compile a java file
• Byte Code and class file How to run the class file
JAVA LANGUAGE FUNDAMENTALS
• Identifiers Keywords Variables Literals Data Types Operators Comments
• Looping Statements Condition Statements Type Casting
OOP IMPLEMENTATION (PIE)
• Why OOP
• OOP Concepts with Real-life examples Class& its Syntax
• Object& its Syntax Reference Variable Constructors
• Instance (Non-Static) & Static Variables Instance (Non-Static) & Static Methods
this Keyword and its usages
• Object & Static Initializers (Anonymous Blocks) Understanding ‘+’ Operator
• Inheritance& its Syntax Types of Inheritance
• Object Class as Root of Java Class Hierarchy Variable Hiding
• Method Hiding
• Method Overriding Method Overloading
• Super keyword and its usages Final keyword and its usages Constructor
Chaining Upcasting and Down casting, Static & Dynamic Binding
• Run Time Polymorphism
• Abstract Keyword (Abstract classes and methods) Understanding Interfaces
• Implementation of Encapsulation Association with Implementation.
Course Curriculum of Java (Core Java)
PACKAGES
• Understanding Packages Setting Class path
• Reading Input from Keyboard Access Modifiers
NESTED TYPES
• Static Nested Class Non-Static Nested Class Local Class Anonymous
Class Nested Interface
ARRAYS
• General Definition of Array Advantages from Array Arrays in Java
• 1-d Arrays 2-d Arrays
• Jagged Arrays
• Array of reference type Operations on Arrays
COMMAND-LINE ARGUMENTS AND
WRAPPER CLASSES
• How to read command-line arguments Wrapper Classes
• Parsing of Numeric Strings
• String representation of Primitives
EXCEPTION HANDLING
• Types of Runtime Errors Understanding Exceptions Exception Class Hierarchy
Try & CatchBlocks Patterns of Catch Block Nested Try Statements Throw,
throws and finally
• Creating Custom Exceptions Checked & Unchecked Exceptions Assertion
WORKING WITH STRINGS
• What is String String Class?
• Creating String Object Operations on String
• String Buffer Class and its Methods
• Difference between String and StringBuffer class String Builder Class and its
Methods
• Difference between StringBuffer and StringBuilder
Course Curriculum of Java (Core Java)
SWING
• Introduction to AWT
• Introduction to Swing Components Look and Feel of Swing Components
• MVC Architecture of Swing Components Working with Image
• Advanced Swing Components JOptionPane, JTree, JTable, JTabbedPane
JfileChooser, JcolorChooser
• Menu Components JMenu
• JMenuItem JMenubar
MULTITHREADED PROGRAMMING
• Multitasking: Why Concurrent Execution Multiprocessing v/s Multithreading
• Main Thread (Default Java Thread)
• Creating Child Threads and understanding context switching Thread States
• Thread Group
• Thread Synchronization: Methods and Blocks Inter-Thread communication
• Daemon Threads Deadlock
I/O STREAMS
• What is I/O
• Why Need Streams
• Byte Streams and Character Streams Read/Write operations with file
Scanner Class
• Object Serialization& Deserialization Transient keyword
• File Class and its Methods
SOCKET PROGRAMMING
• Understanding Fundamentals of a Network Socket and Server Socket
Classes Inet Address Class
• Datagram Socket and Datagram Packet Classes URL, URL Connection,
HttpURLConnection Classes
REFLECTION
• Understanding the Need of Reflection
• Getting information about class’s modifiers, fields, methods, constructors,
and super classes
Course Curriculum of Java (Core Java)
• Finding out constant and method declaration belong to an interface Creating
an instance of the class whose name is not known until runtime Getting
• and setting values of an object’s field if the field name is unknown until runtime
• Invoking a method on an object if the method is unknown until runtime Invoking
Private Methods
EXTENDED & UTILITY CONCEPTS
• Generics, Lambda Expression Annotations
• Object Cloning, Static-import Enum
• Static, Default, and Private Methods of Interface Var Type
• Java Modules
COLLECTIONS FRAMEWORK
• What is Collection? What is a Framework? Collections Framework Core
Interfaces
• Collection, List, Queue, Deque Set,NavigableSet, SortedSet Map,NavigableMap,
SortedMap Core Classes
• ArrayList, LinkedList,PriorityQueue,ArrayDeque HashSet,LinkedHasSet,TreeSet,
HashMap
• IdentityHashMap,WeakHashMap, LinkedHashMap,TreeMap Accessing a
Collection via an Iterator
• Accessing List via ListIterator Accessing a Collection via for each loop Working
with User- Defined Objects
• The Comparator and Comparable Interfaces the Legacy classes and Interfaces.
• Enumeration, Vector, Stack Hashtable, Properties
DATE & TIME API
• java.util.Date java. util.Calendar java.sql.Date
JODA API
• java.time.LocalDate java.time.LocalTime
• java.time.LocalDateTime
SYSTEM PROPERTIES &
INTERNATIONALIZATION (I18N)
• Understanding Locale Resource Bundle Usage of the properties file
• Fetching text from Resource Bundle Displaying the text in HINDI
Displaying date in Hindi
Course Curriculum of Java (Core Java)
INTRODUCTION TO SQL
• Need Of JDBC JDBC Drivers
• Statement, Prepared Statement, Callable Statement Scrollable and Updatable
Result Set
• Batch Updates Transaction Metadata
JAVA EE (JAVA PLATFORM ENTERPRISE EDITION)
• Understanding the Concept of Java EE: JEE Specification Java EE Architecture
• Single Tier Two Tier Three Tier N-Tier
• Java EE Components Web Components
• Distributed (Business) Components Java EE Containers& Servers
• Web Container& Web Server (Apache Tomcat)
• EJB Container& Application Server (WebLogic, Glassfish, WebSphere) Java JMS
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